update gemspeck and web server for asset pack support
update layout and move web files into app folder
add error page
add speech output
update layout
massive refactoring - squashed commit
update sound driver and countdown state
refactor messaging
small bug fixes
refactor to drivermanager
add driver factory
refactor drivers
update gem spec and driver
web and service bug fixes
Merge branch 'drivermanager' into develop

Conflicts:
	lib/nixonpi/drivers/bar_graph_driver.rb
	lib/nixonpi/drivers/io_driver.rb
	lib/nixonpi/drivers/power_driver.rb
	lib/nixonpi/state_machines/lamp_state_machine.rb
	lib/nixonpi_service.rb
rebase new drivers onto develop
add rgb driver
refactor drivers, add led driver
add scaffold for rgb control
add rgb and background drivers and control